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3609 Liloketai (1980 VM1)
Classification: Main-belt Asteroid          SPK-ID: 2003609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2442733737745293 2.2754e-08  
a 3.120665306688113 1.5744e-08 au
q 2.358369863802282 7.1205e-08 au
i 4.85589485282405 7.5663e-07 deg
node 65.29884018149237 1.4217e-05 deg
peri 30.90920474540901 1.6477e-05 deg
M 58.72192115735481 4.9965e-06 deg
tp 2458872.051735886901
(2020-Jan-23.55173589)
2.6285e-05 TDB
period 2013.58151692396
5.51
1.5238e-05
4.172e-08
d
yr
n .1787859080818107 1.353e-09 deg/d
Q 3.882960749573945 1.959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3068  
   data-arc span      24968 days (68.36 yr)  
   first obs. used      1952-11-12  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40332  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:06:12  

Additional Information
 Earth MOID = 1.3765 au 
 Jupiter MOID = 1.33705 au 
 T_jup = 3.164 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.33   n/a E2021B10  
diameter diameter 17.598 km 0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.624 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.083   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3609 Liloketai (1980 VM1)          Discovered 1980-Nov-13 by Purple Mountain Observatory at Nanking
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 VM1 = 1952 VB = 1963 UG = 1971 FE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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